Tips on rezoning duplex to triplex in Minneapolis

[David Wierzba]

Looking to buy a duplex that is currently only cash flowing about $300/month.  The basement is very finishable, and I think we could get an additional $750-800 for the basement unit, increasing our cash flow significantly.  I've heard from friends that rezoning in Minneapolis can be a huge nightmare.  Does anyone have experience rezoning a single family home to a duplex or a duplex to a triplex?  What kind of costs should I expect?  What additional risks should I be aware of?  Thanks in advance for any advice offered.  I really appreciate it.